/*
 * Copyright (c) 2009
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.dcarew.hudson.utils;

import java.text.NumberFormat;

/**
 * 
 * 
 * @author Devon Carew
 */
public class HudsonUtils
{
	
	/**
	 * Returns the result of calling the object's equals methods, properly handling nulls.
	 * 
	 * @param object1
	 * @param object2
	 * @return Returns the result of calling the object's equals methods, properly handling nulls.
	 */
	public static boolean safeEquals(Object object1, Object object2)
	{
		if (object1 == object2)
			return true;
		
		if (object1 == null || object2 == null)
			return false;
		
		return object1.equals(object2);
	}
	
	/**
	 * Sleep the indicated number of milliseconds.
	 * 
	 * @param millis the milliseconds to sleep
	 */
	public static void sleepMillis(int millis)
	{
		try
		{
			Thread.sleep(millis);
		}
		catch (InterruptedException e)
		{
			throw new RuntimeException(e);
		}
	}
	
	public static String pluralize(int count, String word)
	{
		if (count == 1)
			return NumberFormat.getInstance().format(count) + " " + word;
		else
			return NumberFormat.getInstance().format(count) + " " + word + "s";
	}
	
}
